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Finding the Fourth Proportional to 8,713.72, 12,024.84 and 4,734.73

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Solution

The fourth proportional to 8,713.72, 12,024.84 and 4,734.73 is: 6,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.72 : 12,024.84 = 4,734.73 : x
  2. Step 2: Convert to fraction form
    8,713.72/12,024.84 = 4,734.73/x
  3. Step 3: Cross multiply
    8,713.72x = 12,024.84 × 4,734.73
  4. Step 4: Simplify right side
    8,713.72x = 56,934,370.69
  5. Step 5: Solve for x
    x = 56,934,370.69/8,713.72
  6. Step 6: Final answer
    x = 6,533.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.